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Who has been the most successful American Idol?

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Artists with sales of 500,000 or more albums Contestant Total sales 1. Carrie Underwood (season 4, winner) 16,850,000 2. Kelly Clarkson (season 1, winner) 14,351,250 3. Chris Daughtry (as Daughtry) (season 5, 4th place) 7,376,000 4. Clay Aiken (season 2, runner-up) 5,069,000 11 more rows
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